<template>
  <div
    :class="animate"
    :style="{ height: height, width: width }"
    :id="chartOption.bindingDiv"
    ref="chartDiv"
  ></div>
</template>

<script>
import echarts from "echarts";
import "echarts-gl";
require("echarts/theme/macarons"); // echarts theme
import resize from "@/views/dashboard/mixins/resize";

import "../../animate/animate.css";

import { parseQueryString, fIsUrL } from "../../util/urlUtil";
import { getFormsource } from "@/api/tool/datav/formsource";
import { chartApiBar, remoteChartApi,chartBIanalysis  } from "@/api/tool/datav/chartApi";
import { linkChart } from "../../util/LinkageChart";
import { addOption } from "../../codegen/codegen";
import VueEvent from "@/views/tool/datav/VueEvent";
//加载json文件
import "echarts/map/js/world";
import "echarts/map/js/china";
import "echarts/map/js/china-contour";
import "echarts/map/js/province/anhui";
import "echarts/map/js/province/aomen";
import "echarts/map/js/province/hebei";
import "echarts/map/js/province/heilongjiang";
import "echarts/map/js/province/henan";
import "echarts/map/js/province/hubei";
import "echarts/map/js/province/hunan";
import "echarts/map/js/province/jiangsu";
import "echarts/map/js/province/jiangxi";
import "echarts/map/js/province/jilin";
import "echarts/map/js/province/liaoning";
import "echarts/map/js/province/neimenggu";
import "echarts/map/js/province/beijing";
import "echarts/map/js/province/ningxia";
import "echarts/map/js/province/qinghai";
import "echarts/map/js/province/shandong";
import "echarts/map/js/province/shanghai";
import "echarts/map/js/province/shanxi";
import "echarts/map/js/province/shanxi1";
import "echarts/map/js/province/sichuan";
import "echarts/map/js/province/taiwan";
import "echarts/map/js/province/tianjin";
import "echarts/map/js/province/xianggang";
import "echarts/map/js/province/chongqing";
import "echarts/map/js/province/xinjiang";
import "echarts/map/js/province/xizang";
import "echarts/map/js/province/yunnan";
import "echarts/map/js/province/zhejiang";
import "echarts/map/js/province/fujian";
import "echarts/map/js/province/gansu";
import "echarts/map/js/province/guangdong";
import "echarts/map/js/province/guangxi";
import "echarts/map/js/province/guizhou";
import "echarts/map/js/province/hainan";

const animationDuration = 6000;
import { websocketCommand } from "../../util/websocket.js";

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "100%"
    },
    height: {
      type: String,
      default: "100%"
    },
    chartOption: {
      type: Object
    },
    drawingList: {
      type: Array
    }
  },
  data() {
    return {
      chart: null,
      //dataOption: this.chartOption,
      
      timer: "",
      wsObj: null,
      wsFlag: false,
      wsTimer: "",
      wsValue: null,
      animate: this.className
    };
  },
  watch: {
    width() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    height() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    chartOption: {
      deep: true,
      handler(newVal) {
        // 先销毁再重新创建
        this.chart.dispose();
        this.initChart();
        //this.setOptions(JSON.parse(JSON.stringify(newVal)));
      }
    },
    area() {
      // 先销毁再重新创建
      this.chart.dispose();
      this.initChart();
    },
    "chartOption.theme": {
      handler() {
        this.chart.dispose();
        this.chart = null;
        this.initChart();
      }
    },
    "chartOption.timeout": {
      handler() {
        this.chart.dispose();
        this.chart = null;
        this.initChart();
      }
    },
    "chartOption.dataSourceType": {
      handler(value) {
        //切换数据源重新连接
        if (value !== "websocket") {
          this.wsFlag = false;
          //每次切换数据源恢复原来动画
          this.animate = this.className;
        }
        if (value !== "url") {
          clearTimeout(this.timer);
        } 
      }
    },
    "chartOption.interfaceKey": {
      handler(newValue, oldValue) {
        //初始化不创建连接，改变接口地址重新创建
        if (oldValue !== undefined && oldValue != "") {
          this.wsValue = null;
          this.closeWs();
          this.createWs();
          this.animate = this.className;
        }
      }
    },
    wsFlag: {
      handler(value) {
        if (!value) {
          this.wsValue = null;
          this.closeWs();
        }
      }
    },
    className: {
      handler(value) {
        this.animate = value;
      }
    }
  },
  //created 在模板渲染成html前调用，即通常初始化某些属性值，然后再渲染成视图
  created() {

  },
  //mounted 在模板渲染成html后调用，通常是初始化页面完成后，再对html的dom节点进行一些需要的操作。
  mounted() {
    //this.$nextTick(() => {
    this.initChart();
    //});
  },
  beforeDestroy() {
    //实例销毁之前调用
    if (!this.chart) {
      return;
    }
    //先清空，再重新初始化
    this.chart.dispose();
    this.chart = null;
    clearTimeout(this.timer);
    if (this.wsFlag) {
      this.closeWs();
    }
  },
  methods: {
    initChart() {
      echarts.registerTheme("customTheme", this.chartOption.theme);
      this.chart = echarts.init(this.$el, "customTheme");
      
      //判断是否开启定时器，当是访问url接口时候并且timeout不为0时候开启定时器
      if (this.timer != "") {
        clearTimeout(this.timer);
      }
      if (
        (this.chartOption.dataSourceType == 'url' || this.chartOption.dataSourceType == 'database') &&
        this.chartOption.timeout > 0
      ) {
        let timerTask = () => {
          this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
          this.timer = setTimeout(() => {
            timerTask();
          }, this.chartOption.timeout);
        };

        timerTask();
      }else{
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    setOptions: async function(dataOption) {
      //初始化数据
      //如果不是静态数据就调用接口给staticDataValue赋值
      if (dataOption.dataSourceType == "url") {
        let paramJson = parseQueryString(dataOption.requestParameters);

        let interfaceURL = dataOption.interfaceURL;
        dataOption.staticDataValue = await chartApiBar(
          dataOption.requestMethod,
          interfaceURL,
          paramJson,
          dataOption.token
        );
        //console.log(paramJson);
      } else if (dataOption.dataSourceType == "database") {
         if (dataOption.database.executeSql != undefined && dataOption.database.executeSql != '') {
          
          let result = [];
          if(dataOption.database.sqlType == 'custom'){
          
            result = await chartBIanalysis(dataOption.database);
          }
          if (result.code == 200) {
            dataOption.staticDataValue = result.data;
            //console.log(dataOption.staticDataValue);
          } else {
            alert("操作数据库错误");
          }
        }       
      } else if (dataOption.dataSourceType == "form") {
        if (dataOption.formSource != undefined) {
          let response = await getFormsource(dataOption.formSource.id);
          dataOption.staticDataValue = JSON.parse(response.data.formData);
        }
      } else if (dataOption.dataSourceType == "websocket") {
        if (
          dataOption.interfaceKey != undefined &&
          dataOption.interfaceKey != ""
        ) {
          if (!this.wsFlag) {
            this.wsFlag = true;
            this.wsValue = null;
            this.createWs();
          }
          if (this.wsValue != null) {
            dataOption.staticDataValue = this.wsValue;
          }
        }
      }

      let mapName = dataOption.mapName;
      let geoCoordMap = {};
      /*获取地图数据*/
      //myChart.showLoading();
      let mapFeatures = echarts.getMap(mapName).geoJson.features;
      //myChart.hideLoading();
      mapFeatures.forEach(function(v) {
        // 地区名称
        let name = v.properties.name;
        // 地区经纬度
        geoCoordMap[name] = v.properties.cp;
      });

      let convertData = function(data) {
        let res = [];
        for (let i = 0; i < data.length; i++) {
          let geoCoord = geoCoordMap[data[i].name];
          if (geoCoord) {
            res.push({
              name: data[i].name,
              value: geoCoord.concat(data[i].value).concat(data[i].sort)
            });
          } else if (data[i].lng != undefined && data[i].lat != undefined) {
            res.push({
              name: data[i].name,
              value: [data[i].lng,data[i].lat,data[i].value,data[i].sort]
            });
          }
        }
        return res;
      };

      //计算静态数据最大值
      let max = dataOption.staticDataValue.sort((a, b) => {
                return b.value - a.value;
              })[0].value

     let sortData =  dataOption.staticDataValue.sort((a, b) => {
                return b.value - a.value;
              })

      sortData.forEach((element,index) => {
        element.sort = index+1
      });

      let option = {
        bindingType: "threedMapBar",
          tooltip: {
              show: true,
              formatter:(params)=>{
                let data = params.name + "："+ params.value[2] + dataOption.suffix;
                return data;
              },
              textStyle:{
                fontSize:20
              }
          },
          visualMap: [{
              show:dataOption.visualMap.show,
              type: 'continuous',
              seriesIndex: 0,
              calculable: true,
              max: max,
              left:dataOption.visualMap.left,
              bottom:dataOption.visualMap.bottom,
              itemWidth:dataOption.visualMap.itemWidth,
              itemHeight:dataOption.visualMap.itemHeight,
              inRange: {
                  color: dataOption.visualMap.color
              },
              textStyle:{
                  color:'#fff',
                  fontSize:dataOption.fontSize
              }
          }],
          geo3D: {
              map: mapName,
              itemStyle: dataOption.itemStyle,
              label: dataOption.label,
              emphasis: {
                itemStyle:dataOption.emphasis.itemStyle
              },
              //shading: 'lambert',
              light: { //光照阴影
                  main: {
                      //场景主光源的设置
                      intensity: 1, //主光源的强度
                      shadow: true, //主光源是否投射阴影
                      shadowQuality: 'medium', //阴影的质量
                      alpha: 30, //主光源绕 x 轴偏离的角度
                      beta: -80, //主光源绕 y 轴偏离的角度

                  },
                  ambient: {
                      //全局的环境光设置。
                      intensity: 0.5, //环境光的强度
                      quality: 'high',
                  },
                  ambientCubemap: {
                      //会使用纹理作为环境光的光源，会为物体提供漫反射和高光反射
                      exposure: 1.0,
                      diffuseIntensity: 8, //漫反射的强度。
                      specularIntensity: 4, //高光反射的强度。
                  },
              },
            viewControl: {
                    rotateSensitivity: dataOption.viewControl.isRotate ? 1 : 0, //旋转灵敏度，0不能旋转
                    alpha:  dataOption.viewControl.alpha, //上下旋转角度
                    beta: dataOption.viewControl.beta, //左右旋转角度
                  },
          },
          series: [{
              name: 'bar3D',
              type: "bar3D",
              coordinateSystem: 'geo3D',
              shading: 'lambert', //color,lambert,realistic
              lambertMaterial: {
                  //detailTexture:
                  textureTiling: 1,
                  textureOffset: 0,

              },
              //zlevel: -10,
              animation: true,
              animationDurationUpdate: 500,
              animationEasingUpdate: 'cubicOut',
              opacity: 1,
              barSize: dataOption.barSize, //柱子粗细
              bevelSmoothness: dataOption.bevelSmoothness, //倒角的光滑度
              bevelSize: dataOption.bevelSize,
              label: {
                  show: true,
                  position:'top',
                  // textStyle: dataOption.textStyle,
                  distance:0,
                  align:'center',
                  textAlign:'center',
                  formatter: function(params){
                      let str = ""
                      if(dataOption.sortShow==true){
                        str+= "{a|" + params.data.value[3] +"}" +"   ";
                      }
                      if(dataOption.labelShow==true){
                        str+="{b|"+params.name+"："+params.data.value[2]+ dataOption.suffix+"}";
                      }
                      return str//params.name+"："+params.data.value[2]+ dataOption.suffix +params.data.value[3]
                  },
                  textStyle:{
                    backgroundColor:"rgba(1, 1, 1, 0)",
                    rich: {
                        a: {
                            backgroundColor:"rgba(1, 1, 1, 0)",
                            color: dataOption.textStyle.sortColor,
                            fontSize: dataOption.textStyle.sortFontSize,
                            fontWeight:600,
                            borderColor: dataOption.textStyle.borderColor,
                            borderRadius: 50,
                            borderWidth:4,
                            borderType :'solid',
                            padding: [8,15]
                        },
                        b: {
                          backgroundColor: dataOption.textStyle.backgroundColor,
                          color: dataOption.textStyle.color,
                          fontSize: dataOption.textStyle.fontSize,
                          padding: [8,15],
                          borderRadius: 10,
                        },
                    }
                  }
                
              },
              emphasis: {

                    label: {
                        
                        show: dataOption.label.show,
                        // textStyle: dataOption.emphasis.textStyle
                       textStyle:{
                          backgroundColor:"rgba(1, 1, 1, 0)",
                          rich: {
                            a: {
                                color: dataOption.emphasis.textStyle.sortColor,
                                fontSize: dataOption.emphasis.textStyle.sortFontSize,
                                borderColor: dataOption.emphasis.textStyle.borderColor,
                            },
                            b: {
                              backgroundColor: dataOption.emphasis.textStyle.backgroundColor,
                              color: dataOption.emphasis.textStyle.color,
                              fontSize: dataOption.emphasis.textStyle.fontSize,
                            },
                        }
                       }
                    }
                    
                },
              data: convertData(sortData)
          }],
          suffix:dataOption.suffix,
          textStyle: dataOption.textStyle,
          labelShow:dataOption.labelShow
      }

      //执行通用处理函数
      if(dataOption.customData != undefined && dataOption.customData != ""){
        try {
          option = (
          
            //里面为要处理的代码块
          eval(dataOption.customData) 
          
          )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
          );
        } catch (error) {
          console.log(error)
        }
       } 
        //交互组件配置
      if(dataOption.interactData != undefined && dataOption.interactData != ""){
          try {
              option = (        
              //里面为要处理的代码块
              eval(dataOption.interactData)             
            )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
            );
          } catch (error) {
            console.log(error)
          }               
       }
      this.chart.setOption(option, true);

      addOption(dataOption.bindingDiv, option);

      if (dataOption.isLink == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          
          //设置参数
          let arrObject = {
            seriesName: params.name,
            data: params.value[2]
          };
          let arrs = JSON.stringify(arrObject);

          //获取绑定的图表
          let bindList = this.chartOption.bindList;

          if (bindList.length > 0) {
            linkChart(dataOption.arrName, arrs, bindList, this.drawingList);
          }
        });
      }
      //开启图表下钻
      else if (dataOption.isDrillDown == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          //设置参数
          let arrObject = {
            seriesName: params.name,
            data: params.value[2]
          };

          let arrs = JSON.stringify(arrObject);

          //获取绑定的图表
          let drillDownChartOption = this.chartOption.drillDownChartOption;

          if (
            drillDownChartOption != undefined &&
            drillDownChartOption != null
          ) {
            this.$set(
              this.chartOption.drillDownChartOption.chartOption,
              "requestParameters",
              "drillParam=" + arrs
            );
            //发送下钻消息
            VueEvent.$emit(
              "drill_down_msg",
              this.chartOption.drillDownChartOption
            );
          }
        });
      } else {
        //关闭图表联动，取消echart点击事件
        this.chart.off("click");
      }
      //开启远程图表控制
      if (dataOption.isRemote == true) {
        if (dataOption.remote != undefined && dataOption.remote != null) {
          this.chart.off("click");
          this.chart.on("click", params => {
            //设置参数
            let arrObject = {
              seriesName: params.name,
              data: params.value[2]
            };

            let remoteData = { ...dataOption.remote };
            remoteData.query = arrObject;
            //调用接口
            remoteChartApi(remoteData);
          });
        }
      }
    },
    getGeoJson(mapName) {
      let geoJson = this.areas[mapName];

      const data = geoJson.features.map((item, index) => {
        const geoAreaName = item.properties.name; // geo文件中的地理名称

        return {
          name: geoAreaName,

          coord: item.properties.centroid,
          selected: true
          // x: 150,
          // y: 150
        };
      });

      return data;
    },
    //  ws连接成功，后台返回的ws数据
    receiveMsg(e) {
      if (e.action == "chat") {
        // console.log('服务端推送',e);
        this.wsValue = JSON.parse(e.result);
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    // 建立连接、发起ws请求，以心跳方式，向服务端发送数据
    createWs() {
      this.wsObj = new WebSocket(process.env.VUE_APP_WEBSOCKET);
      // 若为对象类型，以回调方式发送
      websocketCommand(
        this.wsObj,
        "create",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
    },
    // 断网重连，需要处理的逻辑
    reconnectWs() {
      if (this.wsObj) {
        console.log("%c websocket_reconnect", "color:blue");
        this.createWs();
      }
    },
    // 以回调方式向服务端发送(对象类型的)心跳
    sendHeartBeat() {
      if (this.wsTimer != "") {
        clearTimeout(this.wsTimer);
      }

      let wsTimerTask = () => {
        console.log("发送心跳", "ping");
        let obj = { action: "keep", key: this.chartOption.interfaceKey };
        this.wsObj.send(JSON.stringify(obj));
        this.wsTimer = setTimeout(() => {
          wsTimerTask();
        }, parseInt(process.env.VUE_APP_WEBSOCKET_TIMEOUT));
        this.wsWarning();
      };

      wsTimerTask();
    },
    wsWarning() {
      //如果断开连接则显示组件警告动画并清除计数器
      if (this.wsObj.readyState == 3) {
        this.animate = "warning";
        clearTimeout(this.wsTimer);
      }
    },
    closeWs() {
      clearTimeout(this.wsTimer);
      websocketCommand(
        this.wsObj,
        "close",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
      this.wsObj = null;
    }
  }
};
</script>

<style scoped>
.circle {
  background: #456BD9;
  border: 0.1875em solid #0F1C3F;
  border-radius: 50%;
  box-shadow: 0.375em 0.375em 0 0 rgba(15, 28, 63, 0.125);
  height: 5em;
  width: 5em;
}
</style>